****Creating impuded variables:

***my_house1

reg my_house1 my_house2 my_house3
predict my_house1_pred_2_3
reg my_house1 my_house2
predict my_house1_pred_2
reg my_house1 my_house3
predict my_house1_pred_3
gen my_house1_imputed= my_house1
replace my_house1_imputed= my_house1_pred_2_3 if my_house1==.
replace my_house1_imputed= my_house1_pred_2 if my_house1_imputed==.
replace my_house1_imputed= my_house1_pred_3 if my_house1_imputed==.

***my_house2:

reg my_house2 my_house1 my_house3
predict my_house2_pred_1_3
reg my_house2 my_house1
predict my_house2_pred_1
reg my_house2 my_house3
predict my_house2_pred_3
gen my_house2_imputed= my_house2
replace my_house2_imputed= my_house2_pred_1_3 if my_house2==.
replace my_house2_imputed= my_house2_pred_1 if my_house2_imputed==.
replace my_house2_imputed= my_house2_pred_3 if my_house2_imputed==.

***my_house3:

reg my_house3 my_house1 my_house2
predict my_house3_pred_1_2
reg my_house3 my_house1
predict my_house3_pred_1
reg my_house3 my_house2
predict my_house3_pred_2
gen my_house3_imputed= my_house3
replace my_house3_imputed= my_house3_pred_1_2 if my_house3==.
replace my_house3_imputed= my_house3_pred_1 if my_house3_imputed==.
replace my_house3_imputed= my_house3_pred_2 if my_house3_imputed==.

gen my_house123_imputed= my_house1_imputed + my_house2_imputed + my_house3_imputed
